static DAT_RETURN
dapli_rmr_bind_unfuse(
IN DAPL_RMR *rmr,
IN const DAT_LMR_TRIPLET *lmr_triplet,
IN DAPL_EP *ep_ptr,
IN DAT_RMR_COOKIE user_cookie,
IN DAT_COMPLETION_FLAGS completion_flags)
{
DAPL_COOKIE *cookie;
DAT_RETURN dat_status;
dat_status = DAT_SUCCESS;
/*
* if the ep in unconnected return an error. IB requires that the
* QP be connected to change a memory window binding since:
*
* - memory window bind operations are WQEs placed on a QP's
* send queue
*
* - QP's only process WQEs on the send queue when the QP is in
* the RTS state
*/
if (DAT_EP_STATE_CONNECTED != ep_ptr->param.ep_state) {
dat_status = DAT_ERROR(DAT_INVALID_STATE,
dapls_ep_state_subtype(ep_ptr));
goto bail1;
}
/* If the RMR and EP are not in the same PZ, there is an error */
if (ep_ptr->param.pz_handle != rmr->param.pz_handle) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
goto bail1;
}
if (!dapl_rmr_validate_completion_flag(DAT_COMPLETION_SUPPRESS_FLAG,
ep_ptr->param.ep_attr.request_completion_flags, completion_flags) ||
!dapl_rmr_validate_completion_flag(DAT_COMPLETION_UNSIGNALLED_FLAG,
ep_ptr->param.ep_attr.request_completion_flags, completion_flags) ||
!dapl_rmr_validate_completion_flag(
DAT_COMPLETION_BARRIER_FENCE_FLAG,
ep_ptr->param.ep_attr.request_completion_flags, completion_flags)) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
goto bail1;
}
dat_status = dapls_rmr_cookie_alloc(&ep_ptr->req_buffer, rmr,
user_cookie, &cookie);
if (DAT_SUCCESS != dat_status) {
goto bail1;
}
dat_status = dapls_ib_mw_unbind(rmr, lmr_triplet->lmr_context,
ep_ptr, cookie, completion_flags);
if (DAT_SUCCESS != dat_status) {
dapls_cookie_dealloc(&ep_ptr->req_buffer, cookie);
goto bail1;
}
/* if the RMR was previously bound */
if (NULL != rmr->lmr) {
(void) dapl_os_atomic_dec(&rmr->lmr->lmr_ref_count);
}
rmr->param.mem_priv = DAT_MEM_PRIV_NONE_FLAG;
rmr->param.lmr_triplet.lmr_context = 0;
rmr->param.lmr_triplet.virtual_address = 0;
rmr->param.lmr_triplet.segment_length = 0;
rmr->ep = ep_ptr;
rmr->lmr = NULL;
dapl_os_atomic_inc(&ep_ptr->req_count);
bail1:
return (dat_status);
}
static DAT_RETURN
dapli_rmr_bind_fuse(
IN DAPL_RMR *rmr,
IN const DAT_LMR_TRIPLET* lmr_triplet,
IN DAT_MEM_PRIV_FLAGS mem_priv,
IN DAPL_EP *ep_ptr,
IN DAT_RMR_COOKIE user_cookie,
IN DAT_COMPLETION_FLAGS completion_flags,
OUT DAT_RMR_CONTEXT *rmr_context)
{
DAPL_LMR *lmr;
DAPL_COOKIE *cookie;
DAT_RETURN dat_status;
dat_status = dapls_hash_search(
rmr->header.owner_ia->hca_ptr->lmr_hash_table,
lmr_triplet->lmr_context,
(DAPL_HASH_DATA *) &lmr);
if (DAT_SUCCESS != dat_status) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
goto bail;
}
/*
* if the ep in unconnected return an error. IB requires that the
* QP be connected to change a memory window binding since:
*
* - memory window bind operations are WQEs placed on a QP's
* send queue
*
* - QP's only process WQEs on the send queue when the QP is in
* the RTS state
*/
if (DAT_EP_STATE_CONNECTED != ep_ptr->param.ep_state) {
dat_status = DAT_ERROR(DAT_INVALID_STATE,
dapls_ep_state_subtype(ep_ptr));
goto bail;
}
if (DAT_FALSE == dapl_mr_bounds_check(
dapl_mr_get_address(lmr->param.region_desc, lmr->param.mem_type),
lmr->param.length,
lmr_triplet->virtual_address,
lmr_triplet->segment_length)) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER,
DAT_INVALID_ARG2);
goto bail;
}
/* If the LMR, RMR, and EP are not in the same PZ, there is an error */
if ((ep_ptr->param.pz_handle != lmr->param.pz_handle) ||
(ep_ptr->param.pz_handle != rmr->param.pz_handle)) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG4);
goto bail;
}
if (!dapl_rmr_validate_completion_flag(DAT_COMPLETION_SUPPRESS_FLAG,
ep_ptr->param.ep_attr.request_completion_flags, completion_flags) ||
!dapl_rmr_validate_completion_flag(DAT_COMPLETION_UNSIGNALLED_FLAG,
ep_ptr->param.ep_attr.request_completion_flags, completion_flags) ||
!dapl_rmr_validate_completion_flag(
DAT_COMPLETION_BARRIER_FENCE_FLAG,
ep_ptr->param.ep_attr.request_completion_flags, completion_flags)) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG4);
goto bail;
}
dat_status = dapls_rmr_cookie_alloc(&ep_ptr->req_buffer,
rmr, user_cookie, &cookie);
if (DAT_SUCCESS != dat_status) {
goto bail;
}
dat_status = dapls_ib_mw_bind(rmr,
lmr_triplet->lmr_context,
ep_ptr,
cookie,
lmr_triplet->virtual_address,
lmr_triplet->segment_length,
mem_priv,
completion_flags);
if (DAT_SUCCESS != dat_status) {
dapls_cookie_dealloc(&ep_ptr->req_buffer, cookie);
goto bail;
}
(void) dapl_os_atomic_inc(&lmr->lmr_ref_count);
/* if the RMR was previously bound */
if (NULL != rmr->lmr) {
(void) dapl_os_atomic_dec(&rmr->lmr->lmr_ref_count);
}
rmr->param.mem_priv = mem_priv;
rmr->param.lmr_triplet = *lmr_triplet;
rmr->ep = ep_ptr;
rmr->lmr = lmr;
dapl_os_atomic_inc(&ep_ptr->req_count);
if (NULL != rmr_context) { *rmr_context = rmr->param.rmr_context; }
bail:
return (dat_status);
}
DAT_RETURN
dapli_post_ext(IN DAT_EP_HANDLE ep_handle,
IN DAT_UINT64 cmp_add,
IN DAT_UINT64 swap,
IN DAT_UINT32 immed_data,
IN DAT_COUNT segments,
IN DAT_LMR_TRIPLET * local_iov,
IN DAT_DTO_COOKIE user_cookie,
IN const DAT_RMR_TRIPLET * remote_iov,
IN int op_type,
IN DAT_COMPLETION_FLAGS flags, IN DAT_IB_ADDR_HANDLE * ah)
{
DAPL_EP *ep_ptr;
ib_qp_handle_t qp_ptr;
DAPL_COOKIE *cookie = NULL;
DAT_RETURN dat_status = DAT_SUCCESS;
dapl_dbg_log(DAPL_DBG_TYPE_API,
" post_ext_op: ep %p cmp_val %d "
"swap_val %d cookie 0x%x, r_iov %p, flags 0x%x, ah %p\n",
ep_handle, (unsigned)cmp_add, (unsigned)swap,
(unsigned)user_cookie.as_64, remote_iov, flags, ah);
if (DAPL_BAD_HANDLE(ep_handle, DAPL_MAGIC_EP))
return (DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_EP));
ep_ptr = (DAPL_EP *) ep_handle;
qp_ptr = ep_ptr->qp_handle;
/*
* Synchronization ok since this buffer is only used for send
* requests, which aren't allowed to race with each other.
*/
dat_status = dapls_dto_cookie_alloc(&ep_ptr->req_buffer,
DAPL_DTO_TYPE_EXTENSION,
user_cookie, &cookie);
if (dat_status != DAT_SUCCESS)
goto bail;
/*
* Take reference before posting to avoid race conditions with
* completions
*/
dapl_os_atomic_inc(&ep_ptr->req_count);
/*
* Invoke provider specific routine to post DTO
*/
dat_status = dapls_ib_post_ext_send(ep_ptr, op_type, cookie, segments, /* data segments */
local_iov, remote_iov, immed_data, /* immed data */
cmp_add, /* compare or add */
swap, /* swap */
flags, ah);
if (dat_status != DAT_SUCCESS) {
dapl_os_atomic_dec(&ep_ptr->req_count);
dapls_cookie_dealloc(&ep_ptr->req_buffer, cookie);
}
bail:
return dat_status;
}
